Discussion and Analysis Quarterly Ending September 30, 2020 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited ( the Company) No. 5

Discussion and Analysis Quarterly Ending September 30, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 To: The President The Stock Exchange of Thailand Enclosure

the financial reporting standards applicable for financial statements covering the accounting period starting from or after Januaury 1, 2020 such as financial reporting standard no. 16 (TFRS16: Leases

of natural gas corresponding to the crude oil price in the world market, the new accounting standard (Thai Financial Reporting Standard) regarding the financial instruments (TFRS 9) and the lease

1 Translation CEN 001-2021 March 1, 2021 Subject Management Discussion and Analysis for the year 2020 To The Manager and President The Stock Exchange of Thailand Capital Engineering Network Public

Public Consultation Document Aor Tor Ngor. 34/2560 Topic: Regulatory approach on Initial Coin Offering (ICO) Published on 27 October 2017 The Securities and Exchange Commission, Thailand (SEC

) (185.2%) Adjusted items Net unrealized loss on exchange rate 52.9 3.0% 49.2 4.3% (3.7) (7.0%) Non-recurring items1 - - (419.3) (36.4%) (419.3) - Adjusted EBITDA2 373.6 21.3% (296.8) (25.8%) (670.4) (179.4

The Stock Exchange of Thailand Eureka Design Public Company Limited (the “Company”) would like to inform the resolutions of the Board of Director’s meeting No. 3/2019 held on 11 June 2019 to enter into

(amend To : President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company") would like to describe and analyze the financial position and operating results for quarter 2-2019 are